TR25916A - ÖZELLIKLE ZIMPARA ARACI ICIN OLAN ,ALFA-ALUMINYUM OKSITI ESAS ALAN KüLCELENMIS MALZEMENIN IMALI YÖNTEMI - Google Patents
ÖZELLIKLE ZIMPARA ARACI ICIN OLAN ,ALFA-ALUMINYUM OKSITI ESAS ALAN KüLCELENMIS MALZEMENIN IMALI YÖNTEMIInfo
- Publication number
- TR25916A TR25916A TR92/0563A TR56392A TR25916A TR 25916 A TR25916 A TR 25916A TR 92/0563 A TR92/0563 A TR 92/0563A TR 56392 A TR56392 A TR 56392A TR 25916 A TR25916 A TR 25916A
- Authority
- TR
- Turkey
- Prior art keywords
- aluminum
- oxidite
- manufacturing
- based material
- grinding tool
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/44—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
- C01F7/441—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
- C04B35/111—Fine ceramics
- C04B35/1115—Minute sintered entities, e.g. sintered abrasive grains or shaped particles such as platelets
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/1409—Abrasive particles per se
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/60—Compounds characterised by their crystallite size
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Powder Metallurgy (AREA)
- Physical Vapour Deposition (AREA)
- Crushing And Grinding (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH184491 | 1991-06-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
TR25916A true TR25916A (tr) | 1993-11-01 |
Family
ID=4219935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TR92/0563A TR25916A (tr) | 1991-06-21 | 1992-06-18 | ÖZELLIKLE ZIMPARA ARACI ICIN OLAN ,ALFA-ALUMINYUM OKSITI ESAS ALAN KüLCELENMIS MALZEMENIN IMALI YÖNTEMI |
Country Status (17)
Country | Link |
---|---|
US (1) | US5236471A (tr) |
EP (1) | EP0524436B1 (tr) |
JP (1) | JPH05194026A (tr) |
CN (1) | CN1068092A (tr) |
AT (1) | ATE110353T1 (tr) |
BR (1) | BR9202236A (tr) |
CA (1) | CA2071593A1 (tr) |
CZ (1) | CZ188492A3 (tr) |
DE (1) | DE59200406D1 (tr) |
ES (1) | ES2060438T3 (tr) |
HU (1) | HUT61949A (tr) |
MX (1) | MX9202929A (tr) |
NO (1) | NO922439L (tr) |
PL (1) | PL294867A1 (tr) |
RU (1) | RU2076083C1 (tr) |
TR (1) | TR25916A (tr) |
ZA (1) | ZA924471B (tr) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0543347A1 (de) * | 1991-11-22 | 1993-05-26 | H.C. Starck GmbH & Co. KG | Verfahren zur Herstellung von alpha-Aluminiumoxid-Pulver |
US6051534A (en) * | 1993-04-21 | 2000-04-18 | The United States Of America As Represented By The Secretary Of The Navy | Process for making superconducting PBSCCO and PBSCCO parts |
WO1995013251A1 (en) * | 1993-11-12 | 1995-05-18 | Minnesota Mining And Manufacturing Company | Abrasive grain and method for making the same |
US5593467A (en) * | 1993-11-12 | 1997-01-14 | Minnesota Mining And Manufacturing Company | Abrasive grain |
US5372620A (en) * | 1993-12-13 | 1994-12-13 | Saint Gobain/Norton Industrial Ceramics Corporation | Modified sol-gel alumina abrasive filaments |
US5489204A (en) * | 1993-12-28 | 1996-02-06 | Minnesota Mining And Manufacturing Company | Apparatus for sintering abrasive grain |
AU1370595A (en) * | 1993-12-28 | 1995-07-17 | Minnesota Mining And Manufacturing Company | Alpha alumina-based abrasive grain having an as sintered outer surface |
AU685205B2 (en) * | 1993-12-28 | 1998-01-15 | Minnesota Mining And Manufacturing Company | Alpha alumina-based abrasive grain |
DE4414570A1 (de) * | 1994-04-27 | 1995-11-02 | Starck H C Gmbh Co Kg | Verfahren zur Herstellung gesinterter mikrokristalliner alpha-Al¶2¶0¶3¶-Körper sowie deren Verwendung |
US5985790A (en) * | 1994-12-07 | 1999-11-16 | Project Earth Industries, Inc. | Method of making acid contacted enhanced aluminum oxide adsorbent particle |
US5948726A (en) | 1994-12-07 | 1999-09-07 | Project Earth Industries, Inc. | Adsorbent and/or catalyst and binder system and method of making therefor |
US6342191B1 (en) | 1994-12-07 | 2002-01-29 | Apyron Technologies, Inc. | Anchored catalyst system and method of making and using thereof |
DE19503854C2 (de) * | 1995-02-06 | 1997-02-20 | Starck H C Gmbh Co Kg | Verfahren zur Herstellung gesinterter alpha-Al¶2¶O¶3¶-Körper sowie deren Verwendung |
US5955393A (en) * | 1995-04-21 | 1999-09-21 | Project Earth Industries, Inc. | Enhanced adsorbent and room temperature catalyst particle and method of making therefor |
ATE227193T1 (de) * | 1996-04-02 | 2002-11-15 | Norton Co | Uv-polymerisierbare zusammensetzung |
US5810587A (en) * | 1996-05-13 | 1998-09-22 | Danville Engineering | Friable abrasive media |
DE19629690C2 (de) * | 1996-07-23 | 1999-08-05 | Korund Laufenburg Gmbh | Verfahren zur Herstellung gesinterter alpha-AL¶2¶0¶3¶-Körper sowie deren Verwendung |
US5954907A (en) * | 1997-10-07 | 1999-09-21 | Avery Dennison Corporation | Process using electrostatic spraying for coating substrates with release coating compositions, pressure sensitive adhesives, and combinations thereof |
US6383273B1 (en) | 1999-08-12 | 2002-05-07 | Apyron Technologies, Incorporated | Compositions containing a biocidal compound or an adsorbent and/or catalyst compound and methods of making and using therefor |
US6499680B2 (en) * | 2001-06-01 | 2002-12-31 | Saint-Gobain Ceramics And Plastics, Inc. | Grinding media |
TWI254699B (en) * | 2002-01-16 | 2006-05-11 | Sumitomo Chemical Co | Calcined alumina, its production method and fine alpha\-alumina powder obtained by using the calcined alumina |
US20050225012A1 (en) * | 2004-04-13 | 2005-10-13 | Alex Cooper | Method of producing abrasive tools |
US7241324B2 (en) * | 2004-04-13 | 2007-07-10 | Universal Photonics Llc | Method of producing abrasive tools |
WO2007020064A1 (de) * | 2005-08-18 | 2007-02-22 | Clariant International Ltd | Oberflächenmodifizierte nanopartikel aus aluminiumoxid und oxiden von elementen der i. und ii. hauptgruppe des periodensystems sowie deren herstellung |
CN102643628A (zh) * | 2012-03-13 | 2012-08-22 | 杭州智华杰科技有限公司 | 水晶玻璃用抛光粉的生产方法 |
JP6367122B2 (ja) * | 2013-02-08 | 2018-08-01 | 昭和電工株式会社 | アルミナ焼結体、砥粒、砥石、研磨布、及びアルミナ焼結体の製造方法 |
KR101504118B1 (ko) | 2013-06-11 | 2015-03-19 | (주)티피에스 | 고온 진공소결로를 이용한 고순도 고밀도 알루미나의 제조방법 |
US10562783B2 (en) | 2015-10-20 | 2020-02-18 | Fujimi Incorporated | Processing of alumina |
RU2625104C1 (ru) * | 2016-06-09 | 2017-07-11 | Федеральное государственное бюджетное учреждение науки Институт химии твердого тела и механохимии Сибирского отделения Российской академии наук (ИХТТМ СО РАН) | Способ получения субмикронного порошка альфа-оксида алюминия |
DE102018132842A1 (de) | 2018-12-19 | 2020-06-25 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zum Abscheiden einer Aluminiumoxid-Schicht sowie ein Kunststoff- oder Glassubstrat mit einer darauf abgeschiedenen Aluminiumoxid-Schicht |
CN110304906A (zh) * | 2019-06-10 | 2019-10-08 | 青海万加环保新材料有限公司 | 一种氧化铝研磨球的制备方法 |
CN114988886B (zh) * | 2022-06-01 | 2023-05-12 | 洛阳中超新材料股份有限公司 | 可低温烧结的高纯α-氧化铝粉的制备方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2816194A1 (de) * | 1978-04-14 | 1979-10-25 | Giulini Chemie | Sinteraktive und alkaliarme tonerde |
GB2099012A (en) * | 1981-05-27 | 1982-12-01 | Kennecott Corp | Superior high sodium and calcium sol gel abrasive |
GB2108949A (en) * | 1981-11-10 | 1983-05-25 | Magyar Aluminium | Process for the preparation of alkali-poor -alumina for ceramic purposes |
EP0248788A2 (de) * | 1986-06-03 | 1987-12-09 | Treibacher Chemische Werke Aktiengesellschaft | Mikrokristallines Schleifmittel und Verfahren zur Herstellung |
EP0263810A2 (de) * | 1986-10-03 | 1988-04-13 | Treibacher Chemische Werke Aktiengesellschaft | Gesintertes Schleifmaterial auf Basis von alpha-Aluminiumoxid |
Family Cites Families (55)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2015658A (en) * | 1933-01-04 | 1935-10-01 | Stratmore Company | Method of forming abrasive articles |
US2278442A (en) * | 1937-04-07 | 1942-04-07 | Heany Ind Ceramic Corp | Process of making ceramics, abrasives, and the like from alumina, and products thereof |
CH513112A (de) * | 1968-11-13 | 1971-09-30 | Reichhold Albert Chemie Ag | Verfahren zur Herstellung von substituierten Phenolen |
US3817976A (en) * | 1970-09-08 | 1974-06-18 | V Bakul | Binder for cutting particles of abrasive tool |
US3781172A (en) * | 1970-12-14 | 1973-12-25 | G Kinney | Process for the manufacture of microcrystalline fused abrasives |
US3887450A (en) * | 1971-02-04 | 1975-06-03 | Dynachem Corp | Photopolymerizable compositions containing polymeric binding agents |
US3893826A (en) * | 1971-11-08 | 1975-07-08 | Norton Co | Coated abrasive material comprising alumina-zirconia abrasive compositions |
US3775113A (en) * | 1972-02-09 | 1973-11-27 | Minnesota Mining & Mfg | Positive image transfer |
JPS5034966B2 (tr) * | 1972-07-24 | 1975-11-12 | ||
US3891408A (en) * | 1972-09-08 | 1975-06-24 | Norton Co | Zirconia-alumina abrasive grain and grinding tools |
US4047903A (en) * | 1972-09-26 | 1977-09-13 | Hoechst Aktiengesellschaft | Process for the production of abrasives |
US3933936A (en) * | 1973-02-20 | 1976-01-20 | The Dow Chemical Company | Rapid setting adhesive compounds |
US3862060A (en) * | 1973-10-29 | 1975-01-21 | Monsanto Co | Phenolic resin emulsions comprising a resole resin and a soluble protein |
DE2604298A1 (de) * | 1975-02-03 | 1976-08-05 | Minnesota Mining & Mfg | Nass- und trockenreibungselemente |
US4318766A (en) * | 1975-09-02 | 1982-03-09 | Minnesota Mining And Manufacturing Company | Process of using photocopolymerizable compositions based on epoxy and hydroxyl-containing organic materials |
US4199651A (en) * | 1975-11-03 | 1980-04-22 | General Electric Company | Novel polyetheramide-imide phenolic resin blends |
US4154724A (en) * | 1976-06-28 | 1979-05-15 | Texaco Development Corp. | Polyether polyureides and resinous compositions therefrom |
US4102866A (en) * | 1976-10-29 | 1978-07-25 | Texaco Development Corporation | Method of making glycidyl ethers of novolak resins |
US4108840A (en) * | 1977-04-15 | 1978-08-22 | Ppg Industries, Inc. | Urea-urethane-acrylate radiation curable coating compositions and methods of making same |
US4165520A (en) * | 1977-10-17 | 1979-08-21 | Xerox Corporation | Video hard copy controller |
US4226971A (en) * | 1977-12-27 | 1980-10-07 | Texaco Development Corp. | Phenol-aldehyde condensation product with aminoalkylene derivative of a polyoxyalkylenepolyamine |
US4518397A (en) * | 1979-06-29 | 1985-05-21 | Minnesota Mining And Manufacturing Company | Articles containing non-fused aluminum oxide-based abrasive mineral |
US4314827A (en) * | 1979-06-29 | 1982-02-09 | Minnesota Mining And Manufacturing Company | Non-fused aluminum oxide-based abrasive mineral |
US4311631A (en) * | 1979-09-20 | 1982-01-19 | Delta Oil Products Corporation | Low emission foundry binder system |
US4285690A (en) * | 1979-11-08 | 1981-08-25 | Sun Chemical Corporation | Novel reactants for crosslinking textile fabrics |
US4345063A (en) * | 1979-11-08 | 1982-08-17 | Sun Chemical Corporation | Glyoxal/cyclic urea condensates |
US4284758A (en) * | 1979-11-08 | 1981-08-18 | Sun Chemical Corp. | Glyoxal/cyclic urea condensates |
US4332586A (en) * | 1980-11-17 | 1982-06-01 | Sun Chemical Corporation | Novel reactants for crosslinking textile fabrics |
US4515835A (en) * | 1982-12-23 | 1985-05-07 | Rohm And Haas Company | High solids thermosetting coating compositions, cured coatings, coated articles, and processes |
US4588418A (en) * | 1983-02-07 | 1986-05-13 | E. I. Du Pont De Nemours And Company | Recycle of reclaimed water in partial oxidation process |
US4505720A (en) * | 1983-06-29 | 1985-03-19 | Minnesota Mining And Manufacturing Company | Granular silicon carbide abrasive grain coated with refractory material, method of making the same and articles made therewith |
US4505712A (en) * | 1983-07-14 | 1985-03-19 | Sun Chemical Corporation | Cyclic urea/glyoxal/polyol condensates and their use in treating textile fabrics and paper |
GB8322059D0 (en) * | 1983-08-16 | 1983-09-21 | Polymer Tectronics Ltd | Moulding composition |
GB8404210D0 (en) * | 1984-02-17 | 1984-03-21 | British Petroleum Co Plc | Phenolic resin composition |
US4574003A (en) * | 1984-05-03 | 1986-03-04 | Minnesota Mining And Manufacturing Co. | Process for improved densification of sol-gel produced alumina-based ceramics |
JPS61203185A (ja) * | 1985-03-05 | 1986-09-09 | Sunstar Giken Kk | 接着付与剤 |
CA1254238A (en) * | 1985-04-30 | 1989-05-16 | Alvin P. Gerk | Process for durable sol-gel produced alumina-based ceramics, abrasive grain and abrasive products |
US5039759A (en) * | 1985-08-01 | 1991-08-13 | Technology Corporation United Carbide Chemicals And Plastics | Water borne high solids coating compositions |
US4652274A (en) * | 1985-08-07 | 1987-03-24 | Minnesota Mining And Manufacturing Company | Coated abrasive product having radiation curable binder |
US4770671A (en) * | 1985-12-30 | 1988-09-13 | Minnesota Mining And Manufacturing Company | Abrasive grits formed of ceramic containing oxides of aluminum and yttrium, method of making and using the same and products made therewith |
US4650838A (en) * | 1986-01-23 | 1987-03-17 | Allied Corporation | Thermosettable modified phenolic resins |
US4748043A (en) * | 1986-08-29 | 1988-05-31 | Minnesota Mining And Manufacturing Company | Electrospray coating process |
US4997717A (en) * | 1987-03-27 | 1991-03-05 | Ciba-Geigy Corporation | Photocurable abrasives |
US4735632A (en) * | 1987-04-02 | 1988-04-05 | Minnesota Mining And Manufacturing Company | Coated abrasive binder containing ternary photoinitiator system |
US4786683A (en) * | 1987-05-26 | 1988-11-22 | The Firestone Tire & Rubber Company | Phenolic resin and polyether treated guayule resin |
US4881951A (en) * | 1987-05-27 | 1989-11-21 | Minnesota Mining And Manufacturing Co. | Abrasive grits formed of ceramic containing oxides of aluminum and rare earth metal, method of making and products made therewith |
US4906774A (en) * | 1987-07-27 | 1990-03-06 | Texaco Inc. | Process for preparing diamines |
US4802896A (en) * | 1987-12-08 | 1989-02-07 | Minnesota Mining And Manufacturing Company | Modified resins and abrasive articles made with the same as a bond system |
US4904516A (en) * | 1988-01-12 | 1990-02-27 | Certain Teed Corp | Phenol-formaldehyde resin solution containing water soluble alkaline earth metal salt |
US4927431A (en) * | 1988-09-08 | 1990-05-22 | Minnesota Mining And Manufacturing Company | Binder for coated abrasives |
US4903440A (en) * | 1988-11-23 | 1990-02-27 | Minnesota Mining And Manufacturing Company | Abrasive product having binder comprising an aminoplast resin |
US4964883A (en) * | 1988-12-12 | 1990-10-23 | Minnesota Mining And Manufacturing Company | Ceramic alumina abrasive grains seeded with iron oxide |
US5076815A (en) * | 1989-07-07 | 1991-12-31 | Lonza Ltd. | Process for producing sintered material based on aluminum oxide and titanium oxide |
US5026405A (en) * | 1990-01-22 | 1991-06-25 | American Cyanamid Company | Bond for abrasive tools |
US5008336A (en) * | 1990-01-30 | 1991-04-16 | Union Carbide Chemicals And Plastics Technology Corporation | High solids coating compositions |
-
1992
- 1992-05-29 CN CN92104241A patent/CN1068092A/zh active Pending
- 1992-06-11 PL PL29486792A patent/PL294867A1/xx unknown
- 1992-06-11 RU SU925011807A patent/RU2076083C1/ru active
- 1992-06-15 BR BR929202236A patent/BR9202236A/pt not_active Application Discontinuation
- 1992-06-17 US US07/899,719 patent/US5236471A/en not_active Expired - Fee Related
- 1992-06-17 MX MX9202929A patent/MX9202929A/es unknown
- 1992-06-18 CA CA002071593A patent/CA2071593A1/en not_active Abandoned
- 1992-06-18 TR TR92/0563A patent/TR25916A/tr unknown
- 1992-06-18 ZA ZA924471A patent/ZA924471B/xx unknown
- 1992-06-19 EP EP92110426A patent/EP0524436B1/de not_active Expired - Lifetime
- 1992-06-19 CZ CS921884A patent/CZ188492A3/cs unknown
- 1992-06-19 AT AT92110426T patent/ATE110353T1/de not_active IP Right Cessation
- 1992-06-19 NO NO92922439A patent/NO922439L/no unknown
- 1992-06-19 DE DE59200406T patent/DE59200406D1/de not_active Expired - Fee Related
- 1992-06-19 ES ES92110426T patent/ES2060438T3/es not_active Expired - Lifetime
- 1992-06-19 HU HU9202063A patent/HUT61949A/hu unknown
- 1992-06-22 JP JP4161570A patent/JPH05194026A/ja active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2816194A1 (de) * | 1978-04-14 | 1979-10-25 | Giulini Chemie | Sinteraktive und alkaliarme tonerde |
GB2099012A (en) * | 1981-05-27 | 1982-12-01 | Kennecott Corp | Superior high sodium and calcium sol gel abrasive |
GB2108949A (en) * | 1981-11-10 | 1983-05-25 | Magyar Aluminium | Process for the preparation of alkali-poor -alumina for ceramic purposes |
EP0248788A2 (de) * | 1986-06-03 | 1987-12-09 | Treibacher Chemische Werke Aktiengesellschaft | Mikrokristallines Schleifmittel und Verfahren zur Herstellung |
EP0263810A2 (de) * | 1986-10-03 | 1988-04-13 | Treibacher Chemische Werke Aktiengesellschaft | Gesintertes Schleifmaterial auf Basis von alpha-Aluminiumoxid |
Non-Patent Citations (1)
Title |
---|
The search has been performed among the documents dated prior to 18th June 1992. * |
Also Published As
Publication number | Publication date |
---|---|
CA2071593A1 (en) | 1992-12-22 |
US5236471A (en) | 1993-08-17 |
EP0524436B1 (de) | 1994-08-24 |
ATE110353T1 (de) | 1994-09-15 |
CZ188492A3 (en) | 1993-01-13 |
NO922439L (no) | 1992-12-22 |
PL294867A1 (en) | 1993-03-22 |
MX9202929A (es) | 1992-12-01 |
ZA924471B (en) | 1993-03-31 |
NO922439D0 (no) | 1992-06-19 |
DE59200406D1 (de) | 1994-09-29 |
RU2076083C1 (ru) | 1997-03-27 |
HUT61949A (en) | 1993-03-29 |
EP0524436A1 (de) | 1993-01-27 |
HU9202063D0 (en) | 1992-10-28 |
JPH05194026A (ja) | 1993-08-03 |
ES2060438T3 (es) | 1994-11-16 |
CN1068092A (zh) | 1993-01-20 |
BR9202236A (pt) | 1993-02-02 |
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